const Mock = require('mockjs')
const {
  param2Obj
} = require('./utils')

const user = require('./user')
const table = require('./table')
const managerCourse = require('./managerCourse')
const courseCategory = require('./courseCategory')
const courseStatusSwitch = require('./courseStatusSwitch')
const courseAdd = require('./courseAdd')
const courseEdit = require('./courseEdit')
const bannerAdd = require('./bannerAdd')
const bannerEdit = require('./bannerEdit')
const bannerStatusSwitch = require('./bannerStatusSwitch')

const mocks = [
  ...user,
  ...table,
  ...managerCourse,
  ...courseCategory,
  ...courseStatusSwitch,
  ...courseAdd,
  ...courseEdit,
  ...bannerAdd,
  ...bannerEdit,
  ...bannerStatusSwitch
]

// for front mock
// please use it cautiously, it will redefine XMLHttpRequest,
// which will cause many of your third-party libraries to be invalidated(like progress event).
function mockXHR() {
  // mock patch
  // https://github.com/nuysoft/Mock/issues/300
  Mock.XHR.prototype.proxy_send = Mock.XHR.prototype.send
  Mock.XHR.prototype.send = function () {
    if (this.custom.xhr) {
      this.custom.xhr.withCredentials = this.withCredentials || false

      if (this.responseType) {
        this.custom.xhr.responseType = this.responseType
      }
    }
    this.proxy_send(...arguments)
  }

  function XHR2ExpressReqWrap(respond) {
    return function (options) {
      let result = null
      if (respond instanceof Function) {
        const {
          body,
          type,
          url
        } = options
        // https://expressjs.com/en/4x/api.html#req
        result = respond({
          method: type,
          body: JSON.parse(body),
          query: param2Obj(url)
        })
      } else {
        result = respond
      }
      return Mock.mock(result)
    }
  }

  for (const i of mocks) {
    Mock.mock(new RegExp(i.url), i.type || 'get', XHR2ExpressReqWrap(i.response))
  }
}

module.exports = {
  mocks,
  mockXHR
}
